git.delta.rocks / unique-network / refs/commits / 9e3547bbeb4c

1use pallet_evm::PrecompileLog;2use sp_std::cell::RefCell;3use sp_std::vec::Vec;4use sp_core::{H160, H256};56#[derive(Default)]7pub struct LogRecorder(RefCell<Vec<(Vec<H256>, Vec<u8>)>>);89impl LogRecorder {10    pub fn log(&self, topics: Vec<H256>, data: super::abi::AbiWriter) {11        self.0.borrow_mut().push((topics, data.finish()));12    }13    fn retrieve_logs(self) -> Vec<(Vec<H256>, Vec<u8>)> {14        self.0.replace(Vec::new())15    }16    pub fn retrieve_logs_for_contract(self, contract: H160) -> Vec<PrecompileLog> {17        // TODO: Remove reallocation18        self.retrieve_logs().into_iter()19            .map(|(topics, data)| PrecompileLog(contract.clone(), topics, data))20            .collect()21    }22}23impl Drop for LogRecorder {24    fn drop(&mut self) {25        #[cfg(feature = "std")]26        {27            // In debug mode, log recorder panics if dropped with logs left28            let logs = self.0.borrow();29            if !logs.is_empty() {30                eprintln!("Logs lost:");31                for line in logs.iter() {32                    eprintln!("{:?} {:?}", line.0, line.1);33                }34                panic!();35            }36        }37    }38}